Geometry Vocab

Front

A flat surface made of points extending indefinitely.

Back

Plane

Front

Location with no size or shape.

Back

Point

Front

Points on the same plane.

Back

Coplanar

Front

Made of points, no thickness; extends indefinitely in both directions.

Back

Line

Front

Points on the same line.

Back

Collinear

Front

Two angles sharing a common vertex and side.

Back

Adjacent

Front

A measurable part of a line with two endpoints.

Back

Segment

Front

Congruent angles across from each other on intersecting lines.

Back

Vertical

Front

A line extending indefinitely in one direction.

Back

Ray

Front

Intersection of two rays at a common endpoint.

Back

Angle